The Acer Liquid S1 Duo smartphone is a dual SIM phone running Android Jelly Bean. This device has a large touch screen of 5.7 inches and a very good front camera. It has a viewing angle of 88% for quality video calling with a wider field of vision.

The Liquid S1 Duo has WiFi and 3G connectivity for Internet access. In a matter of seconds, you can get your news, emails and update your profile. This smartphone unlocks with the sound of your voice through the Voice Unlock application and can also photograph by voice command.
General
Product Type Android Phone
Form Factor Touch
Integrated Components Digital camera, 2nd camera, FM radio, digital player, GPS receiver, voice recorder
Width 83 mm
Depth 9.5 mm
Height 163 mm
Weight 195 g
Body Colour Black
SAR Value 0.41 W/kg (body) / 0.43 W/kg (head)
Cellular
Technology WCDMA (UMTS) / GSM
Band WCDMA (UMTS) / GSM 850/900/1800/1900
Mobile Broadband Generation 3G
Service Provider Not specified
Operating System Android 4.2 (Jelly Bean)
Input Device(s) Multi-touch , capacitive
Messaging & Internet
Cellular Messaging Services MMS, SMS
Instant Messaging Services Yes
Supported Social Networks and Blogs Yes
Mobile Services Video Call
Communications
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+
Wireless Interface Bluetooth 3.0, IEEE 802.11b/g/n
Communication Features Mobile Email client, Internet browser
Phone Features
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert
Dual SIM Card Capability Yes
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass
Additional Features Intelligent typing (SWYPE)
Organiser
Personal Information Management Calendar, synchronization with PC, calculator, reminder, alarm clock
Media Player
Supported Digital Audio Standards DTS
Processor
Clock Speed 1.5 GHz
Processor Core Qty Quad-core
Memory
RAM 1 GB
Bult-in Memory 8 GB
User Memory 8 GB
Supported Flash Memory Cards microSD
Digital Camera
Sensor Resolution 8 Megapixel
Focus Adjustment Automatic
Camera Light Source LED light
Video Recorder Resolutions 1920 x 1080 (1080p)
Features Smile shutter, video recording
Navigation System
Navigation A-GPS receiver
Display
Type Colour
Technology IPS
Diagonal Size 5.7"
Display Resolution 1280 x 720 pixels
Pixel Density 257 ppi
Connections
Connector Type Micro-USB ¦ Headset jack - mini-phone 3.5mm
Battery
Capacity 2400 mAh
Miscellaneous
Included Accessories Power adapter